FR1548767A - - Google Patents

Info

Publication number
FR1548767A
FR1548767A FR1548767DA FR1548767A FR 1548767 A FR1548767 A FR 1548767A FR 1548767D A FR1548767D A FR 1548767DA FR 1548767 A FR1548767 A FR 1548767A
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1548767A publication Critical patent/FR1548767A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/419—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which encoding of the length of a succession of picture-elements of the same value along a scanning line is the only encoding step
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Communication Control (AREA)
FR1548767D 1966-12-12 1967-11-27 Expired FR1548767A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60099566A 1966-12-12 1966-12-12

Publications (1)

Publication Number Publication Date
FR1548767A true FR1548767A (fr) 1968-12-06

Family

ID=24405877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1548767D Expired FR1548767A (fr) 1966-12-12 1967-11-27

Country Status (4)

Country Link
US (1) US3499975A (fr)
DE (1) DE1537192A1 (fr)
FR (1) FR1548767A (fr)
GB (1) GB1181887A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893079A (en) * 1967-03-20 1975-07-01 Cognitronics Corp Character reading apparatus with improved document scanner
US3622695A (en) * 1968-10-07 1971-11-23 Xerox Corp Facsimile system having incremental stepping paper drive assembly
US3670096A (en) * 1970-06-15 1972-06-13 Bell Telephone Labor Inc Redundancy reduction video encoding with cropping of picture edges
US3723640A (en) * 1970-06-19 1973-03-27 Xerox Corp Method and apparatus for rapidly scanning a document
US3830962A (en) * 1972-10-19 1974-08-20 Xerox Corp Graphical data processor interface
JPS5341920A (en) * 1976-09-29 1978-04-15 Ricoh Co Ltd Telautograph information reading device
JPS55124358A (en) * 1979-03-17 1980-09-25 Ricoh Co Ltd Picture information reading system
JPS5661866A (en) * 1979-10-25 1981-05-27 Toshiba Corp Variable scanning system
US4398221A (en) * 1980-09-01 1983-08-09 Ricoh Company, Ltd. Facsimile apparatus
US4712139A (en) * 1983-10-28 1987-12-08 Canon Kabushiki Kaisha Image communication apparatus
US4591727A (en) * 1983-11-14 1986-05-27 International Business Machines Corporation Solid state scanner for a variable speed transport
US5805311A (en) * 1995-08-18 1998-09-08 Hewlett-Packard Company Color optical scanner with single linear array

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061672A (en) * 1960-07-25 1962-10-30 Sperry Rand Corp Run length encoder

Also Published As

Publication number Publication date
GB1181887A (en) 1970-02-18
US3499975A (en) 1970-03-10
DE1537192A1 (de) 1969-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse